ORCINUS. PSEUDORCA. 51 



35. orca (Delphinns), Linn., Syst. Nat., i, 1758, p. 77. 

 gladiator (Delphinus), Bonnat., Ce't., 1789, p. 23. 



arcticus and europceus Gerv. & Van Ben., Ost. Ce't., 1804, p. 314. 



schlegelii Lilljeb., Roy. Soc., 1866, p. 235. 



latirostris Gerv., Ost. Ce't., 1868, p. 543. 



stenorhyncha Gray, Proc. Zool. Soc., 1870, p. 74. 



gladiator (Orcinus) Elliot, Syn. N. Am. Mamm., 1901, p. 22. 

 COMMON KILLER WHALE. 



Type locality. Coast of Europe. 



Geogr. Distr. All seas. 



Genl. Char. Size large, other characters those of the genus. 



Color. Upper parts of head and body and all the fins black; 

 under jaw, throat, breast, and belly white; a white trident-shaped 

 area extends back to the vent with one tine, the other two passing 

 obliquely upward and backward on the sides; a large white patch 

 behind the eyes; behind dorsal fin is a crescentic purple area. 



Measurements. Total length, 16 feet. 



22. Psemlorca. Killer Whalen. 



IPIP 



10 10 4 



Pseudorca Reinh., Overs. K. Dan. Vidensk. Sezsk. Forh. Kjobenh., 



1862, p. 151. Type Pseudorca crassidens Owen. 

 Rostrum short, broad; rostral portion of intermaxillae truncate 

 at distal end; pterygoids short, approximated on median line; teeth 

 large, roots cylindrical; vertebrae, 50; the first to sixth or seventh 

 coalesced; pectorals moderate, pointed; dorsal near middle of back, 

 moderate, falcate; head elevated before blow-hole, compressed; 

 snout truncate. 



36. crassidens (Phocana), Owen, Brit. Foss. Mamm., 1846, p. 516. 

 meridionalis Flower, Proc. Zool. Soc., 1864, p. 420. 

 destructor Cope, Proc. Acad. Nat. Scien. Phil., 1866, p. 293. 

 grayi Burm., Ann. Mus. Pub., Buen. Aires, i, 1864-69, p. 367, 



pi. xxi. 



crassidens (Pseudorca}, Elliot, Syn. N. Am. Mamm., 1901, p. 23. 

 LARGE-TOOTHED KILLER WHALE. 



Type locality. Coast of Lincolnshire, England. 



Geogr. Distr. All seas. 



Genl. Char. No beak; head sloping gradually from blow-hole to 

 end of snout; dorsal in center of length, narrow, moderate ; pectorals 

 small. 



Color. All black. 



